diff --git a/src/core_modules/capture-core/reducers/descriptions/form.reducerDescription.js b/src/core_modules/capture-core/reducers/descriptions/form.reducerDescription.js
index 85ab6638ee..30dd29a15f 100644
--- a/src/core_modules/capture-core/reducers/descriptions/form.reducerDescription.js
+++ b/src/core_modules/capture-core/reducers/descriptions/form.reducerDescription.js
@@ -230,7 +230,7 @@ export const formsSectionsFieldsUIDesc = createReducerDescription({
 
         return {
             ...state,
-            formId: {
+            [formId]: {
                 ...state[formId],
                 ...updatedFields,
             },